Status Updates From Icebreaker (The Icebreaker ...

"You need a backup system. Gotta have backup. And if it's not there for start with, you gotta build it. Just in case" (68).

Petrel is not a part of any three tribes on the ship and only trusts two large rats. Later, she finds a stranger on an iceberg, and the tribes do not trust him. He pretended to have forgotten everything, even his name, then Petrel named him and became a friend